WO2013044280A1 - Four de cuisson - Google Patents

Four de cuisson Download PDF

Info

Publication number
WO2013044280A1
WO2013044280A1 PCT/AT2012/050123 AT2012050123W WO2013044280A1 WO 2013044280 A1 WO2013044280 A1 WO 2013044280A1 AT 2012050123 W AT2012050123 W AT 2012050123W WO 2013044280 A1 WO2013044280 A1 WO 2013044280A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heating circuit
baking chamber
baking
circuit
Prior art date
Application number
PCT/AT2012/050123
Other languages
German (de)
English (en)
Inventor
Helmut GRAGGER
Original Assignee
Gragger Helmut
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gragger Helmut filed Critical Gragger Helmut
Priority to EP12761876.7A priority Critical patent/EP2761228B1/fr
Publication of WO2013044280A1 publication Critical patent/WO2013044280A1/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C9/00Stoves or ranges heated by a single type of energy supply not covered by groups F24C3/00 - F24C7/00 or subclass F24B
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/34Elements and arrangements for heat storage or insulation

Definitions

  • the invention relates to an oven with a baking chamber, with a connected to a heat storage heating circuit for the oven and a connected to a solar collector charging circuit for the heat storage.
  • the charging circuit connected to the solar collector can also be connected directly to the heating circuit for the stove.
  • a disadvantage of This known system for operating a stove by using solar energy is mainly the construction effort. Apart from that, in the case of ovens, in particular for commercial or industrial use, with regard to the heat balance, requirements which are generally not met in ovens having a baking chamber for domestic use are to be met.
  • the invention is therefore based on the object, an oven with a baking chamber of the type described in such a way that it corresponds to the requirements placed on ovens for commercial and industrial use in terms of heat balance, with a relatively low construction costs.
  • the invention solves the problem set by the fact that the heat storage and the oven provided above the heat storage chamber are arranged in a thermally insulated housing and that the heating circuit is laid on a fireclay lining of the oven.
  • the arrangement of the baking chamber immediately above the heat storage not only ensures an advantageous, compact design, but also takes into account that the baking chamber can absorb the radiated heat from the heat storage.
  • a distribution of the heat emitted by the fireclay lining which is advantageous for applying heat to the baking chamber, is achieved when the heating circuit in the fireclay lining is laid on the side facing away from the baking chamber, so that the sum of these measures results in a for a particular commercial and industrial use characterized time operation of the oven advantageous heat balance while maintaining comparatively simple structural measures can be achieved.
  • the heat load of the oven can be adapted to the baking conditions advantageous, the oven can have a vault in the usual way, run on the fireclay lining between a manifold and a manifold parallel heating cables of the heating circuit. This measure effects uniform heat radiation over the entire cooking chamber length in the direction of the vault axis. If necessary, but can of course also be guided through the bottom of the baking chamber, a portion of the heating circuit, which is preferably controlled separately, to be able to apply the baking chamber with an adapted to the case of need upper and lower heat.
  • the charging circuit may comprise at least one provided in the bottom region of the heat storage pipe coil for the heat transfer of the charging circuit, so that can form a temperature stratification within the liquid heat storage medium of the heat storage, the use of the respective Maximum temperature of the heat accumulator allowed for the heating circuit when the heating circuit has at least one provided in the ceiling region of the heat accumulator line coil for the heat transfer medium of the heating circuit.
  • the separate from the heat storage medium heat transfer medium for the heating circuit represents a security that can not be contaminated by the heat storage medium of the heat storage of the oven even with a leak of the heating circuit, and on the other hand offers the advantage of heat removal, without the stratification of the heat transfer medium within the heat storage sustainable to destroy, as would be the case when the heat storage medium is used as a heat transfer medium for the heating circuit.
  • the heating circuit bypassing the heat storage of the heating circuit for a baking chamber can be acted upon by a heated by the solar heat transfer medium, the heating circuit can be optionally connected to the charging circuit.
  • the heat accumulator may have an additional heating, which allows the required for a baking operation temperature level within the heat storage even in adverse external circumstances.
  • This additional heating preferably also a heat exchanger, can be supplied with energy in very different ways. It is only important that in an emergency, the oven does not need to be taken out of service.
  • Fig. 1 shows a baking oven according to the invention in a schematic block diagram
  • Fig. 2 shows the oven schematically in a frontal view on a larger scale.
  • the oven shown schematically in Figs. 1 and 2 has a provided with a fireclay lining 1 baking chamber 2, which is provided at its front end with a control opening 3, as can be seen in particular of FIG. 1, the oven in a schematic longitudinal section shows.
  • the fireclay lining 1 forms according to FIG. 2 in the usual way a vault 4, which is supported by a bottom plate 5.
  • the baking chamber 2 is placed on a heat accumulator 6 whose container 7 is together with the baking chamber 2 in a common, heat-insulated Einhau- 8 is arranged.
  • the housing 8 from a container 7 of the heat accumulator 6 receiving lower part 9 and an upper part 10 is constructed, wherein the arrangement is made such that the bottom plate 5 of the baking chamber 2 the lower part 9 with the container 7 of the heat storage device 6 after closes at the top and the upper part 10 is placed on the over the fireclay lining 1 of the baking chamber 2 projecting bottom plate 5.
  • the heat accumulator 6 is charged via a charging circuit 12 provided with a charge pump 11, which is connected to the collector circuit 14 of a solar collector 15 via a heat exchanger 13.
  • the pump for the collector circuit 14 is designated 16.
  • the solar collector 15 itself has in a conventional manner a cross-sectionally parabolic reflector pan 17 and an absorber tube 18 in the focal axis of the reflector pan 17, so that the bundled in the absorber tube 18, reflected heat radiation of the sun for a sufficient temperature of the heat carrier of the collector circuit 14th ensures that it can supply an oven with heat energy.
  • the charging circuit 12 forms within the container 7 for the heat storage 6, a heat exchanger in the form of at least one provided in the bottom region of the heat accumulator 6 line coil 19 which is laid meandering over the container bottom, so that the heat storage 6 applied uniformly over the entire bottom region of the container 7 with heat can be.
  • the heat of the charging circuit 13 receiving heat storage medium is provided, via which the stored heat can be delivered to a heating circuit 20 for the oven 2.
  • the provided with a heating pump 21 heating circuit 20 forms in the ceiling region of the container 7 of the heat accumulator 6, in turn meandering laid pipe coil 22 as a heat exchanger.
  • the heat carrier for the heating circuit 20 is heated, comprising the heating lines 23 for the baking chamber 2.
  • These heating lines 23 are each between a distribution line 24 along the bottom plate 5 and a manifold 25 along the vertex of the vault 4 of the baking chamber 2 connected in parallel, so that the baking chamber 2 can be acted upon uniformly over its extending in the direction of the vault axis length with heat.
  • the baking temperature can be controlled within the baking chamber 2.
  • the heat storage 6 is equipped with an auxiliary heater 26 in the form of a dash-dotted line indicated heat exchanger.
  • the baking chamber 2 is arranged with its fireclay lining 1 and laid on the outside of the fireclay lining 1 heating cables 23 within a common, heat-insulated housing 8 together with the heat storage 6 and placed on the container 7 of the heat accumulator 6, structurally comparatively simple, den Heat conditions advantageous bill-bearing design conditions that allow the use of solar energy for ovens in commercial and industrial use with a relatively high efficiency without having to do without sufficient control of the heat supply to the oven 2.
  • the block diagram of FIG. 1 illustrates only the basic line connections and, for example, does not show the expansion tank, control valves and control units for reasons of clarity.
  • the quite meaningful connection between the charging circuit 12 and the heating circuit 20 is neglected to operate the baking chamber 2, bypassing the heat accumulator 6 optionally on the solar panel 15 can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne un four de cuisson comprenant une chambre de cuisson (2), un circuit de chauffage (20) pour la chambre de cuisson (2) qui est raccordé à un accumulateur de chaleur (6) et un circuit de charge (12) pour l'accumulateur de chaleur (6) qui est raccordé à un capteur solaire (15). Pour créer des conditions de conception avantageuses, selon l'invention l'accumulateur de chaleur (6) et la chambre de cuisson (2) placée au-dessus de l'accumulateur de chaleur (6) sont logés dans une enveloppe (8) isolée thermiquement et le circuit de chauffage (20) est monté sur un revêtement en chamotte (1) de la chambre de cuisson (2).
PCT/AT2012/050123 2011-09-28 2012-09-03 Four de cuisson WO2013044280A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12761876.7A EP2761228B1 (fr) 2011-09-28 2012-09-03 Four de cuisson

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1401/2011A AT511203B1 (de) 2011-09-28 2011-09-28 Backofen
ATA1401/2011 2011-09-28

Publications (1)

Publication Number Publication Date
WO2013044280A1 true WO2013044280A1 (fr) 2013-04-04

Family

ID=46888274

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2012/050123 WO2013044280A1 (fr) 2011-09-28 2012-09-03 Four de cuisson

Country Status (3)

Country Link
EP (1) EP2761228B1 (fr)
AT (1) AT511203B1 (fr)
WO (1) WO2013044280A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160161150A1 (en) * 2014-12-04 2016-06-09 Steven B. Zintel Solar powered cooking device
CN108916868A (zh) * 2018-06-14 2018-11-30 玉和建设有限公司 一种循环流化床锅炉返料器衬里低温烘炉方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE813382C (de) * 1949-03-22 1951-09-13 Heinz Dr-Ing Hefermann Elektrisch beheizter Backofen
EP0593649B1 (fr) 1991-07-05 1998-04-22 GÖDE, Gábor Materiel pour l'exploitation de l'energie solaire
DE20007857U1 (de) * 2000-04-29 2000-09-14 Carola Poetzscher Gmbh & Co Kg Transportabler Holzbackofen
DE10045074A1 (de) * 2000-09-12 2002-03-28 Bsh Bosch Siemens Hausgeraete Haushaltsgeräte mit Wärmespeicher

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142119A1 (de) * 1991-12-20 1993-06-24 Klemens Prof Dr Schwarzer Solarkocher
DE19603742A1 (de) * 1996-02-02 1997-08-07 Poetzscher Carola Vorrichtung zum Erhitzen oder Garen
CN103462483B (zh) * 2011-04-30 2016-03-02 张其明 太阳能热交换炒锅
CN102261749B (zh) * 2011-05-30 2013-08-28 张其明 太阳能烘炉

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE813382C (de) * 1949-03-22 1951-09-13 Heinz Dr-Ing Hefermann Elektrisch beheizter Backofen
EP0593649B1 (fr) 1991-07-05 1998-04-22 GÖDE, Gábor Materiel pour l'exploitation de l'energie solaire
DE20007857U1 (de) * 2000-04-29 2000-09-14 Carola Poetzscher Gmbh & Co Kg Transportabler Holzbackofen
DE10045074A1 (de) * 2000-09-12 2002-03-28 Bsh Bosch Siemens Hausgeraete Haushaltsgeräte mit Wärmespeicher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160161150A1 (en) * 2014-12-04 2016-06-09 Steven B. Zintel Solar powered cooking device
CN108916868A (zh) * 2018-06-14 2018-11-30 玉和建设有限公司 一种循环流化床锅炉返料器衬里低温烘炉方法
CN108916868B (zh) * 2018-06-14 2019-09-10 玉和建设有限公司 一种循环流化床锅炉返料器衬里低温烘炉方法

Also Published As

Publication number Publication date
AT511203B1 (de) 2012-10-15
EP2761228A1 (fr) 2014-08-06
AT511203A4 (de) 2012-10-15
EP2761228B1 (fr) 2017-11-08

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